For that reason use of the physical commons normally requires exclusivity, but not so use of the creative commons. En un viejo país ineficiente, algo así como España entre dos guerras civiles, poseer una casa y poca hacienda y memoria ninguna. -- Gil de Biedma
Collective IQ includes the ability to make and build useful stuff. It also includes the ability to do the right thing when planning for the future.
Non-Georgist approaches don't just steal value, they also diminish collective IQ by making intelligent foresight less likely.